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Hyundai Equus: Fuel Line Repair procedures - Fuel Delivery System - Engine Control/Fuel System - Hyundai Equus VI 2009-2023 Service ManualHyundai Equus: Fuel Line Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-)battery cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
3.
Disconnect the fuel pressure control valve connector (A) and the fuel feed tube quick-connector (B).

4.
Disconnect the vapor hose (A) which is connected from the PCSV.

5.
Remove the fuel tank.
(Refer to Fuel Delivery System - Fuel Tank)
6.
Remove the mounting nuts (A) and then, remove the fuel & brake line protector (B).

7.
Remove the mounting nuts (A).
8.
Remove the vapor tube line fixing clip (B) by using a common driver.

9.
Remove the mounting bolt.
10.
Remove the vapor tube and fuel tube line fixing clip (A) by using a common driver.

11.
Remove the fuel line (A).

Installation
1.
Install in the reverse order of removal.
Inspection
1.
Start the engine.
2.
Check the fuel feed line (A) installation state and fuel leakage state.

3.
Folding the rear seat cushion.
4.
Remove the fuel pump service cover (A) after loosening the screws.

5.
Check the fuel feed quick-connector (A) installation state and fuel leakage state.

6.
Lift the vehicle.
7.
Check the fuel leakage state.

8.
Replace the fuel line after checking the abnormal fuel line.
(Refer to Fuel Delivery System - "Fuel Line")
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